Teledyne 9110T instruction manual Cleaning the Reaction Cell

Models: 9110T

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Model 9110T NOx Analyzer

Instrument Maintenance

15.Reinstall the instrument cover and power up the analyzer.

16.Allow the converter to burn-in for 24 hours, and then recalibrate the instrument.

11.3.9.CLEANING THE REACTION CELL

A dirty reaction cell will cause excessive noise, drifting zero or span values, low response or a combination of all.

To clean the reaction cell, it is necessary to remove it from the sensor housing.

1.Turn off the instrument power and vacuum pump. Refer to Figure 11-6 for the following procedure.

2.Disconnect the black 1/4" exhaust tube and the 1/8” sample and ozone air tubes from the reaction cell. Disconnect the heater/thermistor cable.

3.Remove two screws (TAI P/N SN144) and two washers holding the reaction cell to the PMT housing and lift the cell and manifold out.

Teledyne Analytical Instruments

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Page 254
Image 254
Teledyne 9110T instruction manual Cleaning the Reaction Cell